1021123332001 has 16 divisors (see below), whose sum is σ = 1095549815808. Its totient is φ = 948320684800.

The previous prime is 1021123331999. The next prime is 1021123332017. The reversal of 1021123332001 is 1002333211201.

It is a cyclic number.

It is not a de Polignac number, because 1021123332001 - 2¹ = 1021123331999 is a prime.

It is a super-3 number, since 3×1021123332001³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1021123332001.

It is not an unprimeable number, because it can be changed into a prime (1021823332001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 717696 + ... + 1599166.

It is an arithmetic number, because the mean of its divisors is an integer number (68471863488).

Almost surely, 2^{1021123332001} is an apocalyptic number.

It is an amenable number.

1021123332001 is a deficient number, since it is larger than the sum of its proper divisors (74426483807).

1021123332001 is an equidigital number, since it uses as much as digits as its factorization.

1021123332001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882392.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1021123332001 its reverse (1002333211201), we get a palindrome (2023456543202).

The spelling of 1021123332001 in words is "one trillion, twenty-one billion, one hundred twenty-three million, three hundred thirty-two thousand, one".